Repair Kit for Mercury Water Pumps, Sierra 18-3150
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Repair Kit for Mercury Water Pumps, Sierra 18-3150

Mercruiser Water Pump Repair Kit, Part Number 18-3150

Sierra
Price:
£115.95 GBP

Manufactured by: Sierra.

This kit, 18-3150 with the impeller will replace the following parts:

  • Mercury 46-807151A7 & 46-807151A14
  • Mallory 9-48350
  • GLM 12088

The water pump repair kit is suitable for the following engines:

    Mercruiser:

    • 200 2 BBL GM (1987-1995) 4-stroke 5 litre 8-cylinder 305 cid
    • 230 4 BBL GM (1987-1995) 4-stroke 8-cylinder 305 cid
    • 260 4 BBL GM (1987-1995) 4-stroke 5.7 litre 8-cylinder 305 cid
    • 260 GM (1987-1995) 4-stroke 5.7 litre 8-cylinder 350 cid
    • 262 Mag TBI GEN+ (1996-1997) 4-stroke 6-cylinder
    • 350 Mag Alpha 4 BBL GM (1997) 4-stroke 5.7 litre 8-cylinder 350 cid
    • 350 Mag Alpha EFI Gen+ GM (1997) 4-stroke 5.7 litre 8-cylinder 350 cid
    • 350 Mag Alpha EFI Gen+ GM 350 V-8 (1996) 4-stroke 8-cylinder 350 cid
    • 350 Mag Alpha GM (1987-1995) 4-stroke 8-cylinder 350 cid
    • 350 Mag Bravo MPI Gen+ GM 350 V-8 (1997) 4-stroke 8-cylinder 350 cid
    • 350 Mag EFI SKI Gen+ GM (1997) 4-stroke 8-cylinder 350 cid
    • 350 Mag MPI Alpha/Bravo 4-stroke 5 litre 8-cylinder
    • 350 Mag MPI Horizon MIE 4-stroke 8-cylinder
    • 350 Mag MPI MIE 4-stroke 8-cylinder
    • 350 Mag MPI MIE Gen+ GM 350 V-8 (1998) 4-stroke 8-cylinder 350 cid
    • 350 Mag MPI SKI Gen+ GM 350 V-8 (1998 onwards) 4-stroke 8-cylinder 350 cid
    • 350 Mag SKI GM 350 V-8 (1997) 4-stroke 8-cylinder 350 cid
    • 357 Alpha 4V (2008-2009) 4-stroke 8-cylinder
    • 357 Mag Bravo 4V (2008-2009) 4-stroke 8-cylinder
    • 383 Mag Bravo 4V (2008-2009) 4-stroke 8-cylinder
    • 4.3L Carb Alpha/Bravo 4-stroke 6-cylinder
    • 4.3L EFI Gen + TBI GM 4-stroke 6-cylinder 262 cid
    • 4.3L Gen + 2 BBL GM 4-stroke 6-cylinder 262 cid
    • 4.3L Gen II 2 BBL GM (1996) 4-stroke 6-cylinder 262 cid
    • 4.3LH Gen + 4 BBL GM 4-stroke 6-cylinder 262 cid
    • 4.3LX Gen + 2 BBL GM (1996-1997) 4-stroke 6-cylinder 262 cid
    • 4.3LX Gen II 4 BBL GM (1996) 4-stroke 6-cylinder 262 cid
    • 4.3LXH Gen + 4 BBL GM (1996-1997) 4-stroke 6-cylinder 262 cid
    • 454 Mag Bravo Gen V GM (1996-1997) 4-stroke 7.4 litre 8-cylinder 454 cid
    • 454 Mag Bravo MPI Gen VI GM (1996-1997) 4-stroke 8-cylinder 454 cid
    • 454 Mag MPI Bravo Gen VI GM (1998-2019) 4-stroke 8-cylinder 454 cid
    • 454 Mag MPI Horizon Gen VI GM 4-stroke 8.2 litre 8-cylinder 454 cid
    • 500 EFI (1999-2004) 4-stroke 8-cylinder
    • 500 Gen + GM (1999-2000) 4-stroke 8.2 litre 8-cylinder 502 cid
    • 500 Gen VI GM (1997-1998) 4-stroke 8.2 litre 8-cylinder 502 cid
    • 502 Mag MPI Bravo Gen VI GM (1998-2019) 4-stroke 8.2 litre 8-cylinder 502 cid
    • 502 Mag MPI Gen VI GM (1996) 4-stroke 8.2 litre 8-cylinder 502 cid
    • 5.0L 2 BBL GM (1987-2001) 4-stroke 8-cylinder 305 cid
    • 5.0L Carb Alpha/Bravo 4-stroke 8-cylinder 305 cid
    • 5.0L EFI GM (1998-2001) 4-stroke 8-cylinder 305 cid
    • 5.0LX 4 BBL GM (1987-1995) 4-stroke 8-cylinder 305 cid
    • 525 EFI (2003-2009) 4-stroke 8-cylinder
    • 540 Stroker 4V 4-stroke 8-cylinder
    • 575 SCI (2000-2005) 4-stroke 8-cylinder
    • 5.7L 2 BBL GM (1997-2001) 4-troke 8-cylinder 350 cid
    • 5.7L Alpha EFI TBI GM (1994-1996) 4-stroke 8-cylinder 350 cid
    • 5.7L Bravo EFI TBI GM (1994-1996) 4-stroke 8-cylinder 350 cid
    • 5.7L Carb Alpha/Bravo 4-stroke 8-cylinder
    • 5.7L Carb MIE 4-stroke 8-cylinder
    • 5.7L Carb Ski 4-stroke 8-cylinder
    • 5.7L Competition Ski Gen+ GM (1998) 4-stroke 8-cylinder 350 cid
    • 5.7L Competition Ski GM (1997) 4-stroke 8-cylinder 350 cid
    • 5.7L EFI 2 BBL.-TBI GM (1996-1997) 4-stroke 8-cylinder 350 cid
    • 5.7L EFI Gen+ Repower Plus GM (1997) 4-stroke 8-cylinder 350 cid
    • 5.7L EFI GM (1998-2001) 4-stroke 8-cylinder 350 cid
    • 5.7L EFI MIE GM (1997) 4-stroke 8-cylinder 350 cid
    • 5.7L GM (1987-1995) 4-stroke 8-cylinder 350 cid
    • 5.7L MIE GM 350 (1997) 4-stroke 8-cylinder 350 cid
    • 5.7LX 4 BBL GM (1997) 4-stroke 8-cylinder 350 cid
    • 5.7LX Bravo EFI Gen+ GM (1996-1997) 4-stroke 8-cylinder 350 cid
    • 5.7LX EFI 4 BBL.-TBI GM (1996-1997) 4-stroke 8-cylinder 350 cid
    • 600 SCI (2006-2010) 4-stroke 8-cylinder
    • 662 SCI (2007-2009) 4-stroke 8-cylinder
    • 700 SCI (2006-2009) 4-stroke 8-cylinder
    • 7.4L Bravo Gen VI GM 454 (1996-1997) 4-stroke 8-cylinder 454 cid
    • 7.4L Bravo MPI Gen VI GM (1998-2000) 4-stroke 8-cylinder 454 cid
    • 7.4L MIE LH Gen VI GM (1996-1997) 4-stroke 8-cylinder 454 cid
    • 7.4L MIE MPI LH Gen VI GM (1996-1997) 4-stroke 8-cylinder 454 cid
    • 7.4L MPI MIE L29 Gen VI GM (1998-2000) 4-stroke 8-cylinder 454 cid
    • 7.4L TBI MIE LH Gen VI GM (1996-1997) 4-stroke 8-cylinder 454 cid
    • 7.4LX Bravo MPI Gen VI GM 454 (1996-1997) 4-stroke 8-cylinder 454 cid
    • 7.4LX Bravo TBI Gen VI GM 454 (1996-1997) 4-stroke 8-cylinder 454 cid
    • 8.2L MIE MPI Gen VI GM 4-stroke 8-cylinder 502 cid
    • 8.2L MIE MPI LH Gen VI GM (1996-1997) 4-stroke 8-cylinder 502 cid
    • Black Scorpion 350 Mag Ski Gen+ (1997-2001) 4-stroke 8-cylinder
    • Black Scorpion MX Ski Gen+ (1997-2002) 4-stroke 6.2 litre 8-cylinder
    • MX 6.2L MPI Bravo 4-stroke 8-cylinder
    • MX 6.2L MPI MIE 4-stroke 8-cylinder
    • Scorpion 377 (1997-2001) 4-stroke
    • Scorpion 377 Sterndrive (2000-2004) 4-stroke 8-cylinder

    On Bravo water pump applications with the 1-piece plastic housing, ensure the pump housing mounting bolts are tightened to 8 - 10 ft. lbs. of torque (do not exceed 10 ft. lbs.). Tighten the bolts securely in a cross pattern and use a thread locker on the end of each bolt.

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